<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<style>
    *{
        margin: 0;
        padding: 0;
    }
    html,
    body {
        height: 100%;
    }

    iframe {
        width: 100%;
        height: 100%;
    }
</style>

<body>

    <!-- <iframe src="http://172.16.10.119:8080/bwie/mhIndex.do?m=index" frameborder="0"></iframe> -->
    <script>
        // 什么是BOM
        // 浏览器对象模型  browser object model

        // window |  self | top 

        // location
        // location.href = "file:///C:/Users/Administrator/Desktop/1707B/1/%E5%8F%8C%E8%89%B2%E7%90%83.html"
        //                         //  C:\Users\Administrator\Desktop\1707B\1\双色球.html

        // history

        // console.log(history)

        // 
        // console.log(navigator)
// 
        // 系统提示框
        // alert()
        // 系统确认框
        // confirm()
        // 系统输入框
        // prompt()
        

    </script>
</body>

</html>